hush: setting variables may fail
In case of device parameters setting variables may fail. return
the result of set_local_var so that the user has a chance to detect
the failure with $?.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 49432ae commit f81f26afbdca2192143de93cdbc3c5eb7c121fc7
@Sascha Hauer Sascha Hauer authored on 16 May 2014
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common/hush.c